TABULAR HISTOET OP THE CLASSIFICATION OF THE TASMAOTAN FRESH WATER SHELLS. 



Pby«a Van DiemensU . . fjowerbj 



ftperta 



nitlda , 



Uuonensls .. T. WoodH 

 (possibly van H. nitlda) 



AncylUH CiimtnKlaniis 



. It M. Johnston 



Valvata Tasmanlca .,. T. Woods 



nis»ow jr.. 

 bilhyntiUa (I'otomupyrgiisT) nigra 

 Quoy Uaim. 



nitlda . . It. M. JoIinHt«>n 

 UulvortononslM . . T. Woods 



Dunroblnonsia 



Dyoriana I'ettiTd 



Hlmsoiilatui.. ... Unizior 



Ainnicola Tasmania! ... T. Woods 

 Diomonso . . I'^uenlleld 

 LauncoHtononitiH ... Jolinston 



Hydrobin (liinnH ... I'mueiiliflil 



Cv 



a Tiumnnicum T, ^Voods 



Tasmanlcum ... „ 



DulTortonensis ... ,, 



Corbiculn Drunnen Priuio 



UNI0S1D.E. 



Unio Morotonicum ... Sowerby 



Pisldluin Tasmanlcum . 



Teniso n - Woods . 



) L. Hobartcnsis T. Woodfl 



I',, Laanceslonensia ... ,. 

 ) ,, Huonenais ,, 



,, eburnea Sowerby 



) ,, niamiUata 



f „ ciliata T. Woods 



,, TaamanlcuB ,, 



,, Legrandi „ 



Ancylus Cnmin^anus ... Bourc. 

 ,, Tasmanicu.9 ... T. Woods 



P. Tasmanicus T. Woods 



't Bytbinia Le^ndi ... T. Woods 



' ,, iinicarinata 



' ,, Tasmanica 



Paludestrina Legrandlana... Brazier 

 ,, Wisemaniana ,, 



Bythinin DiilvertonGn8is...T. Woods 

 ,, Dunrobinensis ... ,, 



Bytliinia Pontvillfcnsis ... „ 



Ampularia TaAmaniic 



Bytliinia Uaoneasi.'t ... T. Woods 



Proc Koy. Soc. Tas. 



,, mamillata Sowerby 



United as one variable species. 



A. Cumingianus . . Bourg. 



„ Taamanicus T. Woods 



,, Woodsii .. R M. Johnston 



G. Petterdi 



P. TasmanicDs T, Wooils 



,, Atkinson] ... R. M. Johaston 

 ,, Scottiana ... ,, ,, 



I Vnit«d a^i one species under 

 Bithyuella 

 Leffraniliana ... Woods and Brazier 



nulveTtonensi9..T. Woods 



Bitbynella niti<Ia... B. M._Johnston 

 nulvertonensis 

 Dunrobinensis 



Pont^illensis 



Bitbynella Uuonenais ... T. Woods 



P. striatula Menke 



,, Badgerenaii ... B. M. Johnston 



Cyclas Tasmanica ... T. Woods | Cyclas Tasmanicua 



V. Moretonicus ... ... Sowerby U. Moretonicus 



Proc. Boy. .Soc. Ta.'j. 



P. meridionalis 



Bythinia changed to Bitbvnella, 



rmt«d BaBilhjncUa < 



X2ie 



Name of genns changed to Tatea. 



„ . alhances of the 



various forma of univalves belong- 

 ing to the sub-family Uydrobiinie. 



Tenison-Woods. 



1S78. 



Proc. Lin. Soc. N.S.W., p. 135. 



In this paper Mr. Woods, 



coroUa, Ciould, is of the s 



sider? the species 0:9 identical 

 with some of the Tasmanian 



In this paper also do we find 

 the first .suggestion of these 

 Tasmanian and New Zealand 

 forms under Stimpson's genu^ 

 Potamopyrgu.'i. Von Mart«ns 

 regards ine Bitbynella corolla 

 as the type of Stimpson't^ 

 genus Potamopyrgus, but P. 



ported by Mr. Woods. 



R. M. Johnston. 



April. 1879. 



Proc. Boy. Soc Tas. 



AmpuUaria Toamanica, 

 T. Woods, and classes 



Tenison-Woods. 



states that Brazier'» 

 Amnicola Petterdiann 



and second columns of 



gives a description of 

 malcological charac- 



Prof. F. W. Button. 



November, 1881. 

 Trans. N. Z. Institute. 



modiHod for this pui" 



Since 1881, Mr. Pottenl has described 

 two forma under the names Ound- 

 lachia Bcddomci and Ancylua Irvinia 

 (1887) ; hat the avithor regrota tliat ho 

 is unable to tUstinguUh tboao from 

 forms alroody named and doscribe<l ; 

 tiio former being undistingnlsbable 

 from (7iiii<H(ieAr« rcltrnU uiihi. and 



till) aperture, the aplciU wlioris vory 

 tif tvii rugoaoly mdinto. 



warSoximoh 

 of LymniPH t" I 



Tlio nnthor, however, Is IncHnod to 

 bitliiivo that a fuller examination will 

 nIiuw tlmt tlioso run Into each utbiT. 

 Till) young sJioIIh dllTLT ciiii.Hid«mlj|y 

 (rciin tlifl mature Hpocluiuiis In (urm 

 ami In tlio coIumuUar fold. 



